Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/lessonplannercom/public_html/backend/database/migrations/2021_07_05_004128_create_activity_table.php:7 Stack trace: #0 {main} thrown in /home/lessonplannercom/public_html/backend/database/migrations/2021_07_05_004128_create_activity_table.php on line 7